A radioactive substance decays at a rate proportional to the amount present, and half the original quantity Qo is left after 1500 years. In how many years would the original amount be reduced to 3Q0/4? How much will be left after 2000 years?
A radioactive substance decays at a rate proportional to the amount present, and half the original quantity Qo is left after 1500 years. In how many years would the original amount be reduced to 3Q0/4? How much will be left after 2000 years?
Chapter5: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 28T: The half-life of radioactive actinium ( 227AC ) is 21.77 years. What percent of a present amount of...
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